The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A130418 Triangle (of n terms per row) where t(n,m) = the m-th positive integer which is coprime to n!. 1
 1, 1, 3, 1, 5, 7, 1, 5, 7, 11, 1, 7, 11, 13, 17, 1, 7, 11, 13, 17, 19, 1, 11, 13, 17, 19, 23, 29, 1, 11, 13, 17, 19, 23, 29, 31, 1, 11, 13, 17, 19, 23, 29, 31, 37, 1, 11, 13, 17, 19, 23, 29, 31, 37, 41, 1, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 1, 13, 17, 19, 23, 29, 31, 37, 41, 43 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 LINKS Table of n, a(n) for n=1..76. EXAMPLE Triangle starts .1 .1..3 .1..5..7 .1..5..7.11 .1..7.11.13.17 .1..7.11.13.17.19 .1.11.13.17.19.23.29 .1.11.13.17.19.23.29.31 .1.11.13.17.19.23.29.31.37 .1.11.13.17.19.23.29.31.37.41 .1.13.17.19.23.29.31.37.41.43.47 .1.13.17.19.23.29.31.37.41.43.47.53 .1.17.19.23.29.31.37.41.43.47.53.59.61 .1.17.19.23.29.31.37.41.43.47.53.59.61.67 .1.17.19.23.29.31.37.41.43.47.53.59.61.67.71 CROSSREFS Cf. A119992, A130419. Sequence in context: A254344 A278032 A016600 * A038871 A209819 A193648 Adjacent sequences: A130415 A130416 A130417 * A130419 A130420 A130421 KEYWORD nonn,tabl AUTHOR Leroy Quet, May 25 2007 EXTENSIONS More terms from R. J. Mathar, Jun 15 2007 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified June 15 18:41 EDT 2024. Contains 373410 sequences. (Running on oeis4.)